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konstantin123 [22]
3 years ago
5

What is the temperature at which this phase change occurs called?

Chemistry
1 answer:
kotykmax [81]3 years ago
8 0

Answer:

known as the melting point or the boiling point of the substance.

Explanation:

A phase change is a physical process in which a substance goes from one phase to another. Usually the change occurs when adding or removing heat at a particular temperature, known as the melting point or the boiling point of the substance.

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Baking powder being CO2

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3 years ago
How does the diameter of an atom compare with the diameter of the nucleus
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An open end mercury manometer was constructed from a u-shaped tube. in a particular measurement, the level in the end connected
aev [14]

We can solve this problem using the formula:

P2 – P1 = ρ g (h2 – h1)

where,

P2 = pressure of the gas manifold = ?

P1 = pressure of the outside air = 754 torr = 100,525 Pa

ρ = density of mercury = 13560 kg/m^3

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So w can directly find for P2:

P2 = 13560 * 9.81 * (0.762 – 0.238) + 100,525

P2 = 170,229.37 Pa

 

Convert back to torr:

<span>P2 = 170,229.37 Pa = 1276.83 torr              (ANSWER)</span>

7 0
3 years ago
Which diagram is the correct electron dot diagram for magnesium?
WITCHER [35]

Magnesium is in Group 2 (sometimes called Group II or 2A). Since it is in Group 2 it will have 2 valence electrons. When you draw the Lewis structure for Magnesium you'll put two "dots" or valance electrons around the element symbol (Mg).

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4 years ago
What is now true about the sugar? A. The sugar is no longer made up of particles because all of the particles dissolved in the w
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Answer:

C

Explanation:

because I have a chemical reaction to the public and private sector and the other day

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